Delaware Outline
Delaware Demographics by Cubit

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Get the Delaware demographic data that you need. You can get the most current Delaware data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

  • The Delaware population is 1,003,384 people according to the US Census Bureau's 2021 Population Estimates Program.
  • The Delaware median household income in the past 12 months is $69,110 in 2020 inflation-adjusted dollars according to the US Census Bureau's 2020 American Community Survey.
  • Delaware has 438,438 housing units according to the US Census Bureau's 2020 American Community Survey.

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Skip Hours of Internet Research.

Get demographic data for any location in Delaware for just $49.

  • The most current data
  • Trustworthy — from US government data sources
  • Easy to Understand — jargon-free data
  • Most Popular data — like population, income & age
  • Confidence — includes proper citations & footnotes
  • Time Savings — Our customers tell us these reports save 10+ hours of internet research, data pulling & formatting.

To learn more, click on the letter that the name of your city or county begins with.

How Current are the Data?

The Delaware demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2020 datasets – specifically the 2020 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.

  1. It’s updated every year.
  2. It typically has the smallest margins of error of the Census’ ACS datasets.
  3. It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these Delaware demographics? Call us at 1-800-939-2130.

Delaware Counties by Population

1 New Castle County 571,708
2 Sussex County 247,527
3 Kent County 184,149

See all Delaware Counties by Population

Delaware Cities by Population

1 Wilmington 70,750
2 Dover 38,992
3 Newark 31,155
4 Middletown 24,164
5 Bear 21,397
6 Glasgow 15,399
7 Hockessin 14,172
8 Brookside 13,741
9 Smyrna 13,149
10 Milford 12,272

See all Delaware Cities by Population

Delaware Zip Codes by Population

1 19720 59,410
2 19702 54,980
3 19711 53,194
4 19709 45,005
5 19701 42,240
6 19901 38,673
7 19904 38,158
8 19808 38,106
9 19805 38,061
10 19966 30,601

See all Delaware Zip Codes by Population

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Demographics Reports

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About Us

Delaware-Demographics.com is made by Cubit – a demographic data provider. Call us at 1-800-939-2130 or email us.

Cubit Founders Kristen and Anthony

Cubit's co-founders have been working with data for a combined 36 years.

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